19886888

素因数分解:

$2^3\times 7^1\times {\mathrm{379}}^1\times {\mathrm{937}}^1$

素因数の和:1329

約数の個数: 32

約数和(自身を含む): 42772800

約数和(自身を除く): 22885912

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 379, 758, 937, 1516, 1874, 2653, 3032, 3748, 5306, 6559, 7496, 10612, 13118, 21224, 26236, 52472, 355123, 710246, 1420492, 2485861, 2840984, 4971722, 9943444, 19886888]

約数ペア:

[(1, 19886888), (2, 9943444), (4, 4971722), (7, 2840984), (8, 2485861), (14, 1420492), (28, 710246), (56, 355123), (379, 52472), (758, 26236), (937, 21224), (1516, 13118), (1874, 10612), (2653, 7496), (3032, 6559), (3748, 5306)]